Pi Eridani — Star in Eridanus
Observe
1Physical Properties
Magnitude
4.42
Range
4.38 - 4.44
Variable Type
LB:
Spectral Type
M2III
giant
Star Color
Red
(B-V 1.63)
2Position & Identifiers
RA
03h 46m 08.5s
Dec
-12° 06' 06.0"
Constellation
Eridanus
(Eri)
HR
1162
HIP
17593
HD
23614
SAO
149158
Bayer
Pi
Flamsteed
26 Eri
Variable ID
Pi Eri
Querying VizieR catalog...
3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Medium+ | Medium+ | Medium |
| 50 mm finder 50mm finder | Easy | Easy | Easy |
| 150 mm telescope 150mm scope | Easy | Easy | Easy |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
4Visibility
Set a location in User Settings to see visibility data.
Best season
Oct – Dec
(peak: Nov)
5Survey Image
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Explore
7
Size Comparison
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8
Compare Stars
9
Spectral Classification
10
Hertzsprung-Russell Diagram
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11
Stellar Lifecycle
12
Blackbody Spectrum
13
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
14
Stellar Fusion
Discover
15Stellar Notes
Lb? 4.38 - 4.44V.
Nearby in the Sky
Other targets within a few degrees — pan your scope a little and keep exploring.
Visibility scores assume a 150 mm Newton at Bortle 4.
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